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; SOURCE: Sadava, et al., Life: The Science of Biology, Eighth Edition, Sinauer Associates; © 2008 Sinauer Associates, W. H. Freeman & Co., and Sumanas, Inc. KEYWORDS: lac operon, lactose metabolism;
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www.sumanasinc.com/webcontent/animations/content/lacope...
www.sumanasinc.com/webcontent/animations/content/lacoperon.html
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but what EXACTLY is a lac operon? ... OPERON PCR Procedure ... Lac Operon Model...
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www.youtube.com/watch?v=oBwtxdI1zvk
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Animation made for AP Bio class(Thanks to the people behind this- you know who you are)
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www.youtube.com/watch?v=g7CMWuIZ2So
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The lac Operon ... The lac operon. In the absence of lactose, the repressor protein encoded by the I gene binds to the lac operator and prevents transcription. Binding of lactose (and its relatives) to the repressor causes it to leave the operator.
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users.rcn.com/jkimball.ma.ultranet/BiologyPages/L/LacOp...
users.rcn.com/jkimball.ma.ultranet/BiologyPages/L/LacOperon.html
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The lac operon in E.Coli is an example of that dual control. Glucose and lactose levels control the initiation of transcription of the lac operon, ...
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www.accessexcellence.org/RC/VL/GG/induction.php
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The Lac Operon ... The Lac Operon is an example of an inducible system of gene expression. Its default state is to be inactive. Only when the right catalyst is added to the system, in this case the sugar lactose, is the process activated, allowing the genes in question to be expressed.
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vcell.ndsu.edu/animations/lacOperon/index.htm
vcell.ndsu.edu/animations/lacOperon/index.htm
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If you do not see a movie here, you need to obtain a QuickTime Plug-In for your browser.
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www.dartmouth.edu/~cbbc/courses/movies/LacOperon.html
www.dartmouth.edu/~cbbc/courses/movies/LacOperon.html
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You can check your understanding of the lac operon by using the interactive Practice exercises and the Self-Quiz at the end of the module ... Concept 2: The Lactose Operon; Review (2 pages)
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www.phschool.com/science/biology_place/biocoach/lacoper...
www.phschool.com/science/biology_place/biocoach/lacoperon/intro.html
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